About the Matrix Rank Calculator
Find the rank of a matrix — the number of linearly independent rows — by row reduction.
Also known as: rank of matrix, row rank, linear independence.
How to use this calculator
- Enter matrix a (rows on new lines).
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
rank = number of non-zero rows in echelon form
Worked example
Using the values pre-filled in the calculator above:
- Matrix A (rows on new lines): 1 2 3 2 4 6 1 0 1
the calculator returns:
- Rank: 2
- Size: 3 × 3